{"nct_id":"NCT00649415","title":"A Double Blind, Double Dummy, Randomized, Comparative Study Of The Efficacy And Safety Of Valdecoxib 40 Mg Twice Daily, As Needed In The First Menstrual Cycle Day And Then Once A Day, And Piroxicam 40 Mg Once A Day In The Treatment Of Patients With Primary Dysmenorrhea","status":"COMPLETED","status_verified_date":"2018-12","start_date":"2003-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2003-07","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}